Grill pattern on air filter inlet



FIG. 1 is a perspective view of a grill pattern on an air filter inlet showing our new design.

FIG. 2 is a front view thereof.

FIG. 3 is a rear view thereof; and,

FIG. 4 is a side view thereof, all other side views being the same.

The broken line showing forms no part of the claimed design. 

The ornamental design for a grill pattern on an air filter inlet, as shown and described. 